How can you expect to make progress ______ you never listen in class?A．beforeB．u_刷题宝

题干

How can you expect to make progress ______ you never listen in class?

A．before

B．until

C．though

D．when

上一题下一题 0.64难度单项选择更新时间:2011-01-10 04:41:30

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